. Early geophysical papers of the Society of Exploration Geophysicists . Fig. 2. which the d's were calculated were of the order of 50 units, so that the final values adjusted on the basis of this fourth approximation would be correct within 2 per cent, which is the limit for gravity work of this type. The final values, obtained by putting m equal to m'-\-m"+m'"-\-miy are ^1=, ^2=, m3= â , m4= â , w6= â, w6= â , which should be compared with the values obtained in the next section. A more rapid approximation in the solution of the set of correlate equations nr
. Early geophysical papers of the Society of Exploration Geophysicists . Fig. 2. which the d's were calculated were of the order of 50 units, so that the final values adjusted on the basis of this fourth approximation would be correct within 2 per cent, which is the limit for gravity work of this type. The final values, obtained by putting m equal to m'-\-m"+m'"-\-miy are ^1=, ^2=, m3= â , m4= â , w6= â, w6= â , which should be compared with the values obtained in the next section. A more rapid approximation in the solution of the set of correlate equations nrmT â Xmx = dr can be obtained by solving partially for those which involve mr, as follows. We have, say, nrmT â mx â mt â my â tnz = dr, nxmx â mr â ma â mb â ⢠⢠â = dx, ntmt â mT â m, â mf â ⢠⢠⢠= d,, tiyinv â tnr â tn^ â ntk â â ⢠â = dy, ti*tnt â mr â nip â tnq â â ⢠⢠= dz. 826
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